A high-precision intelligent centering device, consisting of a symmetrical synchronous centering mechanism. The invention can meet the needs of wheel centering in use with the ideal effect and high efficiency. Work is safe and reliable, degree of automation is high, and it is especially suitable for mass production on the production line.

The disclosure discloses a high-precision wheel assembling device, which is high in size and shape precision, good in dynamic balance, high in fatigue strength, good in rigidity and elasticity, light in weight, attractive in appearance and recyclable in material.

Described is a machine (1) for fitting and removing a tyre from a corresponding wheel rim of a vehicle, comprising: a wheel-holder unit (4), which rotates about a first axis (A); at least one bead breaker tool (29), movable along a second axis (B) parallel to the first axis (A); a roller (2) rotating about a fourth axis (D) parallel to the first axis (A) and configured to move by rotation about a fifth axis (E) spaced from the fourth axis (D), between an active position where it is in contact with a tyre tread of the wheel mounted on the wheel-holder unit (4), to a position of non-interference relative to the tyre; at least one sensor (40) connected to the roller (2) for detecting a signal representing a force transmitted to the roller (2) by the tyre; a removal tool (37), which is movable by rotation about a sixth axis (F) parallel to the first axis (A) and spaced from it, between a first position proximal to the first axis (A) and a second position distal from the first axis (A), which is movable in a direction parallel to the first axis (A) and movable towards and away from the sixth axis (F).

Described is a device for locking a rim of a wheel to a wheel-holder unit (4) equipped with a supporting plate (12) and a hollow rotary shaft having an end portion projecting in a cantilever fashion from the supporting plate (12), comprising: a centring cone (16) having a through hole; a clamping rod (11) having at a first end a clamping element (10) which can be inserted inside the hollow shaft to prevent a movement of the clamping rod (11) along a first axis (A) of the wheel-holder unit (4), and having at a second end a threaded portion; a clamping element (17) coupled to the threaded portion and which can be rotated for translating along an axis of the clamping rod; a centring flange (23) operatively interposed between the centring cone (16) and the clamping element (17). The first end of the clamping rod (11) is operatively inserted in a hole of the centring flange (23), with the same direction as that in which centring rods (23b) of the centring flange project, and in the hole of the centring cone (16), with the opposite direction to that along which the centring cone (16) is tapered.

An apparatus for mounting and demounting a tyre relative to a corresponding wheel rim, wherein the apparatus includes: a wheel-holder unit, configured to receive and lock the wheel at an operating position and to set it in rotation about an axis of rotation; a plurality of tools, configured to interact with the tyre to mount and/or demount the tyre; a hydraulic circuit comprising a pump; a plurality of hydraulic actuators, connected to the hydraulic circuit; the hydraulic circuit is configured to drive the actuators of the plurality of actuators synchronously

In a device (1) for clamping a rim (2) of a vehicle wheel, at least four clamping elements (3) are provided which can be moved with respect to the rim (2) and comprise clamping arms (5) and support elements (7) having support surfaces (6). A rim flange of the rim (2) can be placed on the support surfaces. The clamping arms (5) are rotatably mounted, about their longitudinal axis, in the clamping elements (3), and have clamping fingers (8) at the end that protrude beyond the support surfaces (6), which fingers have clamping surfaces which can be brought into clamping contact with the placeable rim flange.

In a device (1) for clamping a rim (2) of a vehicle wheel, at least four clamping elements (3) are provided which can be moved with respect to the rim (2) and comprise clamping arms (5) and support elements (7) having support surfaces (6). A rim flange of the rim (2) can be placed on the support surfaces. The clamping arms (5) are rotatably mounted, about their longitudinal axis, in the clamping elements (3), and have clamping fingers (8) at the end that protrude beyond the support surfaces (6), which fingers have clamping surfaces which can be brought into clamping contact with the placeable rim flange.

Described is a machine (1) for fitting and removing a tyre from a corresponding wheel rim of a vehicle, comprising: a wheel-holder unit (4), which rotates about a first axis (A); at least one bead breaker tool (29), movable along a second axis (B) parallel to the first axis (A); a roller (2) rotating about a fourth axis (D) parallel to the first axis (A) and configured to move by rotation about a fifth axis (E) spaced from the fourth axis (D), between an active position where it is in contact with a tyre tread of the wheel mounted on the wheel-holder unit (4), to a position of non-interference relative to the tyre; at least one sensor (40) connected to the roller (2) for detecting a signal representing a force transmitted to the roller (2) by the tyre; a removal tool (37), which is movable by rotation about a sixth axis (F) parallel to the first axis (A) and spaced from it, between a first position proximal to the first axis (A) and a second position distal from the first axis (A), which is movable in a direction parallel to the first axis (A) and movable towards and away from the sixth axis (F).

A tyre dismounting apparatus adapted to be installed on a motor vehicle comprises: a base configured to be fixed to the motor vehicle; a frame, hinged to the base and tiltable about a tilting axis between a rest position and a working position; a tilting actuator connected to the base and to the frame to move the frame relative to the base; a wheel-holder unit configured to receive a wheel and lock it in place and rotating about an axis of rotation to drive the wheel in rotation about the axis of rotation; a longitudinal actuator connected to the frame and configured to move the wheel-holder unit along a longitudinal axis having at least one component in a vertical direction, parallel to the direction of the weight force; a working unit connected to the frame and including a rod and a tool connected to the rod. The tyre dismounting apparatus comprises a transverse actuator connected to the working unit to move it translationally relative to the wheel-holder unit along a transverse axis parallel to the tilting axis of the frame.

The disclosure discloses a high-precision wheel assembling device, which is high in size and shape precision, good in dynamic balance, high in fatigue strength, good in rigidity and elasticity, light in weight, attractive in appearance and recyclable in material.